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Kim Lewers, USDA-Agricultural Research Service Beltsville, Maryland

Kim Lewers, USDA-Agricultural Research Service Beltsville, Maryland. ‘Earliglow’. ‘ Flavorfest ’. Plasticulture. ‘Allstar’. ‘Ovation’. ‘Earliglow’. ‘ Flavorfest ’. Anthracnose-resistant. ‘Allstar’. ‘Ovation’. Plugs are made from end of June to 4 July.

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Kim Lewers, USDA-Agricultural Research Service Beltsville, Maryland

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  1. Kim Lewers, USDA-Agricultural Research Service Beltsville, Maryland

  2. ‘Earliglow’ ‘Flavorfest’ Plasticulture ‘Allstar’ ‘Ovation’

  3. ‘Earliglow’ ‘Flavorfest’ Anthracnose-resistant ‘Allstar’ ‘Ovation’

  4. Plugs are made from end of June to 4 July. • Plugs are planted in the field the first half of August. • The field is fertigated with ~12lbs/A of nitrogen after one • week, every week to 3rd week of September, to a total of ~75 lbs/A. • The beds are covered with straw mid-December to mid- • March.

  5. Influence of Nitrogen, Phosphorus, and Potassium on the Severity of Strawberry Anthracnose Crown Rot • B.J. Smith • United States Department of Agriculture, Agricultural Research Service • Southern Horticultural Laboratory, Small Fruit Research Unit • Poplarville, MS 39470 • USA • Seven (7) nitrogen sources at three (3) rates: • Higher N rates led to more anthracnose. • Among plants getting higher N rates, those treated with • Ca(NO3)2were the most disease tolerant. • Plants treated with nitrate nitrogen sources, including • NH4NO3, had less severe anthracnose symptoms than • plants receiving nitrogen from other ammonium sources. • Take-home: Nitrate forms mean less anthracnose than ammonium forms.

  6. Frost protection is a combination of misters at 34F and Rainbirds at 32.1F. • The field is fertigated with ~5lbs/A of nitrogen per week in April, to between 20-30 lbs/A. • Plots are harvested twice weekly from mid-May through mid-June. • Rotation is ‘Essex’ rape - strawberry – corn or sudex – soybeans, with rye-vetch winter covers.

  7. ‘Earliglow’ ‘Flavorfest’ ‘Allstar’ ‘Ovation’

  8. Total yield at 17,000 plants/A Marketable yield is calculated by harvesting the good fruit and rotten fruit into two buckets and weighing them separately. Postharvest yield measured at 1 and 2 weeks

  9. ‘Earliglow’ ‘Flavorfest’ ‘Allstar’ ‘Ovation’

  10. The average berry size for each harvest was recorded. Average berry size is the average of all those averages. Large berry size is the largest of those averages.

  11. ‘Earliglow’ ‘Flavorfest’ ‘Allstar’ ‘Ovation’

  12. 2 weeks postharvest

  13. Multi-year averages of subjective ratings from plasticulture-grown fruit 1-9 scale: 8.0= Going to the State Fair! 7.5= Call my neighbor! 7.0= Looking Good! 6.5= Better watch this 6.0= Call my extension agent

  14. ‘Earliglow’ ‘Flavorfest’ ‘Allstar’ ‘Ovation’

  15. ‘Flavorfest’

  16. ‘Flavorfest’

  17. ‘Flavorfest’ • Great flavor • Large firm berries – up to 49g • High yield – up to 41,747 lb/A • Low field rot • Anthracnose resistant – C.a. • Red stele resistant – Race 3 • Plasticulture or matted row- • establishes well

  18. ‘Flavorfest’

  19. ‘Flavorfest’ To buy plants contact your favorite nursery or e-mail Kim.Lewers@ ARS.USDA.gov

  20. ‘Earliglow’ ‘Flavorfest’ Not-patented ‘Allstar’ ‘Ovation’

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